/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

var tb_pathToImage = "/site_media/js/lightbox/loadingAnimation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
$(document).ready(function(){
    tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
    imgLoader = new Image();// preload image
    imgLoader.src = tb_pathToImage;
});

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk){
    $(domChunk).click(function(){
    var t = this.title || this.name || null;
    var a = this.href || this.alt;
    var g = this.rel || false;
    tb_show(t,a,g);
    this.blur();
    return false;
    });
}

function tb_show(caption, url, imageGroup, callback) {//function called when the user clicks on a thickbox link

    try {
        if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
            $("body","html").css({height: "100%", width: "100%"});
            $("html").css("overflow","hidden");
            if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
                $("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
                $("#TB_overlay").click(tb_remove);
            }
        }else{//all others
            if(document.getElementById("TB_overlay") === null){
                $("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
                $("#TB_overlay").click(tb_remove);
            }
        }

        if(tb_detectMacXFF()){
            $("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
        }else{
            $("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
        }

        if(caption===null){caption="";}
        $("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
        $('#TB_load').show();//show loader

        var baseURL;
       if(url.indexOf("?")!==-1){ //ff there is a query string involved
            baseURL = url.substr(0, url.indexOf("?"));
       }else{
            baseURL = url;
       }

       var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
       var urlType = baseURL.toLowerCase().match(urlString);

        if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images

            TB_PrevCaption = "";
            TB_PrevURL = "";
            TB_PrevHTML = "";
            TB_NextCaption = "";
            TB_NextURL = "";
            TB_NextHTML = "";
            TB_imageCount = "";
            TB_FoundURL = false;
            if(imageGroup){
                TB_TempArray = $("a[@rel="+imageGroup+"]").get();
                for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
                    var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
                        if (!(TB_TempArray[TB_Counter].href == url)) {
                            if (TB_FoundURL) {
                                TB_NextCaption = TB_TempArray[TB_Counter].title;
                                TB_NextURL = TB_TempArray[TB_Counter].href;
                                TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;<a href='#'>Next »</a></span>";
                            } else {
                                TB_PrevCaption = TB_TempArray[TB_Counter].title;
                                TB_PrevURL = TB_TempArray[TB_Counter].href;
                                TB_PrevHTML = "<span id='TB_prev'><a href='#'>« Prev</a>&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;</span>";
                            }
                        } else {
                            TB_FoundURL = true;
                            TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);
                        }
                }
            }

            imgPreloader = new Image();
            imgPreloader.onload = function(){
            imgPreloader.onload = null;

            // Resizing large images - orginal by Christian Montoya edited by me.
            var pagesize = tb_getPageSize();
            var x = pagesize[0] - 150;
            var y = pagesize[1] - 200;
            var caption_height = ((caption.length * 16) / 100)
            if (caption)
            {
                y -= caption_height;
            }
            var imageWidth = imgPreloader.width;
            var imageHeight = imgPreloader.height;
            if (imageWidth > x) {
                imageHeight = imageHeight * (x / imageWidth);
                imageWidth = x;
                if (imageHeight > y) {
                    imageWidth = imageWidth * (y / imageHeight);
                    imageHeight = y;
                }
            } else if (imageHeight > y) {
                imageWidth = imageWidth * (y / imageHeight);
                imageHeight = y;
                if (imageWidth > x) {
                    imageHeight = imageHeight * (x / imageWidth);
                    imageWidth = x;
                }
            }
            // End Resizing

            TB_WIDTH = imageWidth + 30;
            TB_HEIGHT = imageHeight + 60;
            if (caption)
            {
                TB_HEIGHT += caption_height;
                if (TB_WIDTH < 600)
                    TB_WIDTH = 600;
            }
            $("#TB_window").append("<a href='#' id='TB_closeWindowButton' title='Close'></a><p class='TB_Image'><a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a></p><p class='caption'>"+caption+"</p><div id='TB_pagination'>" + TB_PrevHTML + TB_imageCount + TB_NextHTML + "</div>");

            $("#TB_closeWindowButton").click(tb_remove);

            if (!(TB_PrevHTML === "")) {
                function goPrev(){
                    if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
                    $("#TB_window").remove();
                    $("body").append("<div id='TB_window'></div>");
                    tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
                    return false;
                }
                $("#TB_prev").click(goPrev);
            }

            if (!(TB_NextHTML === "")) {
                function goNext(){
                    $("#TB_window").remove();
                    $("body").append("<div id='TB_window'></div>");
                    tb_show(TB_NextCaption, TB_NextURL, imageGroup);
                    return false;
                }
                $("#TB_next").click(goNext);

            }

            document.onkeydown = function(e){
                if (e == null) { // ie
                    keycode = event.keyCode;
                } else { // mozilla
                    keycode = e.which;
                }
                if(keycode == 27){ // close
                    tb_remove();
                } else if(keycode == 190){ // display previous image
                    if(!(TB_NextHTML == "")){
                        document.onkeydown = "";
                        goNext();
                    }
                } else if(keycode == 188){ // display next image
                    if(!(TB_PrevHTML == "")){
                        document.onkeydown = "";
                        goPrev();
                    }
                }
            };

            tb_position();
            $("#TB_load").remove();
            $("#TB_ImageOff").click(tb_remove);
            $("#TB_window").css({display:"block"}); //for safari using css instead of show
            };

            imgPreloader.src = url;
        }else{//code to show html

            var queryString = url.replace(/^[^\?]+\??/,'');
            var params = tb_parseQuery( queryString );

            TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
            TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
            ajaxContentW = TB_WIDTH - 30;
            ajaxContentH = TB_HEIGHT - 45;

            if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window
                    urlNoQuery = url.split('TB_');
                    $("#TB_iframeContent").remove();
                    if(params['modal'] != "true"){//iframe no modal

/*
                        $("#TB_window").append("<a href='#' id='TB_closeWindowButton' title='Close'></a><p class='TB_Image'><a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a></p><p class='caption'>"+caption+"</p><div id='TB_pagination'>" + TB_PrevHTML + TB_imageCount + TB_NextHTML + "</div>");
*/

                        $("#TB_window").append("<a href='#' id='TB_closeWindowButton' title='Close'></a><div style='text-align: center;'><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe></div><p class='caption'>"+caption+"</p><br />");


                    }else{//iframe modal
                    $("#TB_overlay").unbind();
                        $("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
                    }
            }else{// not an iframe, ajax
                    if($("#TB_window").css("display") != "block"){
                        if(params['modal'] != "true"){//ajax no modal
                            $("#TB_window").append("<div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
                        }else{//ajax modal
                            $("#TB_overlay").unbind();
                            $("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
                        }
                    }else{//this means the window is already up, we are just loading new content via ajax
                        $("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
                        $("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
                        $("#TB_ajaxContent")[0].scrollTop = 0;
                        $("#TB_ajaxWindowTitle").html(caption);
                    }
            }

            $("#TB_closeWindowButton").click(tb_remove);

                if(url.indexOf('TB_inline') != -1){
                    $("#TB_ajaxContent").append($('#' + params['inlineId']).children());
                    $("#TB_window").unload(function () {
                        $('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
                    });
                    tb_position();
                    $("#TB_load").remove();
                    $("#TB_window").css({display:"block"});
                }else if(url.indexOf('TB_iframe') != -1){
                    tb_position();
                    if($.browser.safari){//safari needs help because it will not fire iframe onload
                        $("#TB_load").remove();
                        $("#TB_window").css({display:"block"});
                    }
                }else{
                    $("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
                        tb_position();
                        $("#TB_load").remove();
                        tb_init("#TB_ajaxContent a.thickbox");
                        $("#TB_window").css({display:"block"});
                        $("#TB_closeWindowButton").click(tb_remove);
                        if (callback) callback();
                    });
                }

        }

        if(!params['modal']){
            document.onkeyup = function(e){
                if (e == null) { // ie
                    keycode = event.keyCode;
                } else { // mozilla
                    keycode = e.which;
                }
                if(keycode == 27){ // close
                    tb_remove();
                }
            };
        }

    } catch(e) {
        //nothing here
    }
}

//helper functions below
function tb_showIframe(){
    $("#TB_load").remove();
    $("#TB_window").css({display:"block"});
}

function tb_remove() {
    $("#TB_imageOff").unbind("click");
    $("#TB_closeWindowButton").unbind("click");
    $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
    $("#TB_load").remove();
    if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
        $("body","html").css({height: "auto", width: "auto"});
        $("html").css("overflow","");
    }
    document.onkeydown = "";
    document.onkeyup = "";
    return false;
}

function tb_position() {
$("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
    if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
        $("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 1.8),10) + 'px'});
    }
}

function tb_parseQuery ( query ) {
   var Params = {};
   if ( ! query ) {return Params;}// return empty object
   var Pairs = query.split(/[;&]/);
   for ( var i = 0; i < Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
      var key = unescape( KeyVal[0] );
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

function tb_getPageSize(){
    var de = document.documentElement;
    var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
    var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
    arrayPageSize = [w,h];
    return arrayPageSize;
}

function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
    return true;
  }
}


